Hectare to Square kilometer Converter
Type a value — the answer appears instantly. 1 ha = 0.01 km².
Reviewed by the OmniCalc teamMethod verified 2026-07-01
0.01 square kilometers
= 10,000 m²= 107,639 ft²
equals 0.01 square kilometersFormula: km² = ha × 0.01
Hectare to Square kilometer formula
km² = ha × 0.01
Convert 5 hectares to square kilometers
- Start with 5 hectares.
- Multiply by the conversion factor: 5 × 0.01 = 0.05.
- So 5 ha = 0.05 km².
Hectare to Square kilometer conversion table
| Hectares (ha) | Square kilometers (km²) |
|---|---|
| 0.01 ha | 0.0001 km² |
| 0.1 ha | 0.001 km² |
| 0.25 ha | 0.0025 km² |
| 0.5 ha | 0.005 km² |
| 1 ha | 0.01 km² |
| 2 ha | 0.02 km² |
| 3 ha | 0.03 km² |
| 4 ha | 0.04 km² |
| 5 ha | 0.05 km² |
| 6 ha | 0.06 km² |
| 7 ha | 0.07 km² |
| 8 ha | 0.08 km² |
| 9 ha | 0.09 km² |
| 10 ha | 0.1 km² |
| 15 ha | 0.15 km² |
| 20 ha | 0.2 km² |
| 25 ha | 0.25 km² |
| 30 ha | 0.3 km² |
| 40 ha | 0.4 km² |
| 50 ha | 0.5 km² |
| 75 ha | 0.75 km² |
| 100 ha | 1 km² |
| 250 ha | 2.5 km² |
| 500 ha | 5 km² |
| 1,000 ha | 10 km² |
| 5,000 ha | 50 km² |
| 10,000 ha | 100 km² |
Unit definitions
What is a hectare?
The hectare is exactly 10,000 square metres, the area of a 100-metre square. It is the standard metric unit for measuring land, farms, and forests. One hectare is about 2.471 acres.
What is a square kilometer?
The square kilometre is the area of a one-kilometre square, equal to one million square metres or 100 hectares. It is used for measuring cities, regions, and countries. One square kilometre is about 0.386 square miles.
Frequently asked questions
How many square kilometers are in one hectare?
One hectare equals 0.01 square kilometers (1 ha = 0.01 km²).
How do I convert hectares to square kilometers?
Multiply the value in hectares by 0.01. For example, 10 ha × 0.01 = 0.1 km².
Which is bigger — a hectare or a square kilometer?
A square kilometer is bigger: one square kilometer contains 100 hectares.
Is this hectare to square kilometer converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.